我无法按照说明安装partysip 。似乎缺少 oSip 和 oSipParser 的路径。谁能告诉我如何使用 oSip 安装 Partysip？这是以下消息：
./ppl/ppl_uinfo.h:28:37: error: osipparser2/osip_parser.h: No such file or directory
./ppl/ppl_uinfo.h:29:27: error: osip2/osip_mt.h: No such file or directory
In file included from pplinit.c:23:
./ppl/ppl_uinfo.h:55: error: expected specifier-qualifier-list before 'osip_uri_t'
./ppl/ppl_uinfo.h:58: warning: struct has no members
./ppl/ppl_uinfo.h:64: error: expected specifier-qualifier-list before 'osip_contact_t'
./ppl/ppl_uinfo.h:70: warning: struct has no members
./ppl/ppl_uinfo.h:107: error: expected ')' before '*' token
./ppl/ppl_uinfo.h:117: error: expected ')' before '*' token
./ppl/ppl_uinfo.h:146: error: expected declaration specifiers or '...' before 'osip_contact_t'
./ppl/ppl_uinfo.h:153: error: expected declaration specifiers or '...' before 'osip_contact_t'
./ppl/ppl_uinfo.h:160: error: expected declaration specifiers or '...' before 'osip_uri_t'
make[4]: *** [pplinit.lo] Error 1
make[4]: Leaving directory `/home/partysip-2.2.3/ppl/unix'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/partysip-2.2.3/ppl/unix'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/partysip-2.2.3/ppl'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/partysip-2.2.3'
make: *** [all] Error 2